Fixes For The Team Viewer Protocol Negotiation Failed Error

If you’re getting the “Protocol negotiation failed” error on Team Viewer, we’ve assembled some fixes below.

(you can invariably contact their help here).

In keeping with the TeamViewer (tv) support community, this error happens when connecting to a far off manipulate, or one other server or host utilising TeamViewer.

If there’s some form of connection problem, you can get an error message that reads “Protocol negotiation failed. Please try again.”

consistent with television, they say that the cause for this is error is that on the TeamViewer host, it has received the incoming connection, however the exact faraway manipulate session was once dropped and for that reason not founded.

What explanations It?
It it seems that has a kind of explanations- we cannot factor to at least one factor specially. Extra of a generic, trap-all error.

TeamViewer help Fixes (#1)
To repair it, are attempting one of the crucial quandary-shooting steps under from the television support boards so that the far flung control by way of TeamViewer can connect correctly:

Reboot TeamViewer through closing and re-opening the TeamViewer app
Reboot the TeamViewer service in inside manipulate Panel (control panel > Administrative tools > offerings and then underneath ‘identify’ in finding the Teamviewer11 approach. Choose it, then proper click on it and pick restart.)
scan with disabling your firewall, including windows or a 3rd-celebration firewall service.
You can additionally try to disable an IPS (Intrusion Prevention method).
Quickly deactivate your anti-virus defense- or are trying with the exception of the
TeamViewer folder or its executable from anti-virus scanning.
Are attempting uninstalling and reinstalling TeamViewer.
Protocol Negotiation Failure (Video fix)


a different tv person, stated that as a rule he connects to his windows 7 computer laptop from a Samsung Galaxy Tab 3 pill with the aid of employing television. Nevertheless, a pair days after a positive connection, he was unable to connect tv. The computer, it confirmed an Incoming Connection but then a Protocol Negotiation Failure message.

On the intelligent gadget, it mentioned that the connection used to be disconnected and was once making an attempt to reconnect however wasn’t capable to.

He was utilizing television variation 10.Zero.93450 on the computing device.

Unusually, he used to be ready to connect to his windows eight laptop laptop from the shrewd device. However he used to be experiencing the TeamViewer connectivity error when attempting to connect with the computer laptop from a range of wise devices together with a Kindle fireplace & Apple iPad, so he theorized that the problem is without doubt handiest with verbal exchange between his desktop and the pill.

He had tried the next fixes to unravel this TeamViewer error, and at the same time none labored for him, we figured it’d make experience to submit a few of his makes an attempt to look in the event that they could be just right for you:

Re-booted tv
Disabled the laptop’s firewall
Rebooted the shrewd tablet
temporarily disabled the antivirus
Restarted the computer laptop
Uninstalled and reinstalled TeamViewer on the tablet
mounted the brand new version of TeamViewer on the laptop laptop
Made sure that IPv6 was once disabled
Tweaked TeamViewer to permit all home windows logon for all customers
installed TeamViewer to be used with and without UDP (person Datagram Protocol)
Un-set up every up to date computing device update
Re-booted the pocket book in riskless mode with networking


tremendous user Fixes
Firewall Tweak
an ideal consumer poster fixed the predicament by way of tweaking the firewall- he disabled NIPS security (low and core severity).

Another person commented that you are in a position to entry and then disable the Firewall entirely through going to Administration -> services -> home windows Firewall.

Be careful although- super customers say that it is not encouraged to clutter with these settings until you already know what you are doing.

Computer infection
an extra super consumer determined an answer- it seems the laptop he used to be on used to be significantly contaminated with spyware and a few viruses.

At the same time he wasn’t certain which of them primarily have been inflicting the connection obstacle, he speculated it used to be to dam tv from a third-celebration providing far flung technical help.

They used an extra 1/3-occasion far flung application known as remote Utilities to repair it utilizing MalwareBytes mixed with Avira after which TeamViewer started out working once more.

We hope this kind of fixes resolved your connectivity error- as we mentioned at the , are trying opening a support ticket. This error can occur on home windows, Linux, as good as Mac working programs.